import {z} from 'zod'

export type GetApiApiV1LegalCurrentAgreementsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const agreementCurrentAgreementsResponse = z.object({success: z.boolean(), data: z.object({agreements: z.array(z.object({id: z.string(), kind: z.union([z.literal("quidkey_privacy"), z.literal("quidkey_tos"), z.literal("merchant_tos"), z.literal("merchant_dpa"), z.literal("merchant_prohibited_use"), z.literal("merchant_pricing_plan"), z.literal("merchant_bank_debit_authorization"), z.literal("merchant_nacha_acknowledgment"), z.literal("third_party_provider_agreements"), z.literal("transfermate_authorization"), z.literal("straddle_psa"), z.literal("ach_authorization")]), version: z.string(), url: z.string()}))})});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * List the current version URLs for Quidkey-hosted and Straddle legal agreements
 * 
 * GET /api/v1/legal/current-agreements
 */
export const getApiApiV1LegalCurrentAgreements = async (options?: GetApiApiV1LegalCurrentAgreementsOptions) => {
const {baseUrl = "https://core.quidkey.com", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/legal/current-agreements${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(agreementCurrentAgreementsResponse, await res.json())
};